105 results found displaying 67-69
    
Don Sinnard
 USA
Carpet Pad Insulation Printer Friendly Version
I have lived in several concrete slab houses where the floors are always cold. I believe that a carpet manufacture could come up with an insulating carpet pad that would allow retrofitting of floor insulation into all these houses. The second part would be to come up with an electrically heated pad, much like an electric blanket to install in these types of houses. It would lie under the carpet, that would give it some protection from abrasion. The rest of the protection would come in the form of heavy wire insulation. It might be expensive to heat a whole house this way, but it would be good for small areas such as bathroom or living room. It could even be produced in a small portable throw rug type, waterproof of course, for use in a bath room.

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37°

    
 USA
Electric Power Gutters Printer Friendly Version
This plastic replacement downspout would feature small directional water wheels in the gutter and small generators wired together with weather proof wiring on the outside of the downspout. The most electricity would be produced if each descending waterwheel was only allowed to spin in the opposite direction the wheel above it would spin. The generators would have alternating polarity in their generating magnets to create a DC current. This would save an unknown amount on your electric bill, depending on how much it rains. The top of the gutter would need a guard to stop leaves and other debris from entering.
Reward: Installation on a moderate house of my choice. 

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40°

    
Skoop
 USA
City Windmill Printer Friendly Version
Design a windmill that adjusts to the amount of wind that is blowing. If there is not much wind then not much electricty is going to be produced, but it is still running. Most windmills need 6PMH to start and then max out. As the wind gets stronger the tension should get stronger to produce more power. If the wind is low the tension should release so that a small amount of power is being produced. The actual design of the windmill should not be like a normal one, it should be designed to rotate off of the smallest amount of wind.
Reward: I wouldnt mind my house running off of this. 

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64°

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